bradyanime
bradyanime bradyanime
  • 03-04-2017
  • Mathematics
contestada

Jana has a number cube numbered 1 to 6. She plans to roll the cube 78 times. Predict the number of times Jana will roll a 2.

Respuesta :

LammettHash
LammettHash LammettHash
  • 03-04-2017
The probability of rolling a 2 is [tex]\dfrac16[/tex] for any one roll of the cube.

In 78 rolls, the expected number 2s would be [tex]\dfrac{78}6=13[/tex].
Answer Link

Otras preguntas

Find the volume of the prism. 13ft 7ft
IfA={1,2,3,4} B={2,4,6} C={1,3,5,7} andU={1,2,3,4,5,6,7} then B−C
Why did scientists struggle for thousands of years to accurately describe the solar system?
WHY JUST WHY?..............................
The diagram below shows some subatomic particles. A diagram similar to a flowchart starts with a circle labeled Atom. From there, a line leads to a small circle
Approximate the change in the lateral surface area​ (excluding the area of the​ base) of a right circular cone of fixed height of h = 6 m when its radius decrea
HELP PLZZZZZZZZZZZZ!!!!!
How do you do a good speech? I NEED TIPS SO HELP ME PLEASE AAAAAAAAGH
In your own words, explain the term midpoint.
Select all that apply. Which decimals in the list are repeating decimals? *see pinned photo* P.S., is multiple choice.PLEASE HELP!!